Global Patent Index - EP 3205910 A4

EP 3205910 A4 20180516 - SIX-WAY REVERSING VALVE

Title (en)

SIX-WAY REVERSING VALVE

Title (de)

SECHS-WEGE-UMKEHRVENTIL

Title (fr)

SOUPAPE D'INVERSION À SIX VOIES

Publication

EP 3205910 A4 20180516 (EN)

Application

EP 15893804 A 20150624

Priority

  • CN 201510292204 A 20150601
  • CN 201520367442 U 20150601
  • CN 2015082247 W 20150624

Abstract (en)

[origin: US2017138488A1] A six-way directional valve (100) is provided, including: a valve body (1), defining a valve cavity (4) therein, and provided with a first connecting pipe to a sixth connecting pipe (11-16); a valve spool (2), movably disposed in the valve cavity (4), two valve chambers (3) being defined between two moving ends of the valve spool (2) and an inner circumferential wall of the valve cavity (4), so that the valve spool (2) being allowed to be driven to move by a pressure difference between the two valve chambers (3), a first chamber (21) and a second chamber (22) being defined between the valve spool (2) and a same side wall of the valve cavity (4), a third chamber (23) being defined between the valve spool (2) and the inner circumferential wall of the valve cavity (4); and a pilot valve assembly (5).

IPC 8 full level

F16K 11/065 (2006.01); F16K 11/07 (2006.01); F16K 31/122 (2006.01); F16K 31/124 (2006.01)

CPC (source: EP US)

F16K 11/07 (2013.01 - EP US); F16K 31/122 (2013.01 - EP US); F16K 31/124 (2013.01 - EP US); F25B 41/26 (2021.01 - EP US); F25B 13/00 (2013.01 - EP US); F25B 2313/0276 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

US 10132417 B2 20181120; US 2017138488 A1 20170518; EP 3205910 A1 20170816; EP 3205910 A4 20180516; WO 2016192148 A1 20161208

DOCDB simple family (application)

US 201515325794 A 20150624; CN 2015082247 W 20150624; EP 15893804 A 20150624